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Distillation kettle and operation process thereof

An operation process and distillation kettle technology, which is applied in distillation regulation/control, boiler/distillate distillation, organic chemistry, etc., can solve the problems of accelerated evaporation of impurity liquid, high operation process cost, and high distillation cost, and achieves improved purity, Improve purification efficiency and uniform distribution

Inactive Publication Date: 2016-04-20
宜宾高县钧恒新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Another technical problem to be solved by the present invention is that in the prior art, the use of nitrogen gas for purification causes high distillation costs. Another object of the present invention is to provide an operation process for a distillation kettle, which can feed air into the liquid to assist in raising the liquid. The boiling degree accelerates the evaporation of the impurity liquid in the mixture, and solves the problems of high cost and low purification efficiency of the existing distillation operation process

Method used

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  • Distillation kettle and operation process thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Such as figure 1 Shown, a kind of distillation kettle comprises shell 13, and housing 13 is provided with air inlet pipe 6, and one end of air inlet pipe 6 is inserted in the raw material liquid surface of still kettle, and the bottom distance with housing 13 is 10mm, and the bottom distance of housing 13 is 10mm. The other end of the empty pipe 6 is located outside the casing 13 and a control valve 7 is arranged on the pipeline of the empty pipe 6 . Here, it is further explained that the other end of the air inlet pipe 6 is located outside the housing 13 , and the other end of the air inlet pipe 6 is fixedly connected with the top wall of the housing 13 , that is, welded on the housing 13 .

[0041] The number of the air inlet pipes 6 is 2, and they are evenly and symmetrically distributed in the housing 13 with the central axis of the still still as the axis.

[0042] One end of the inlet pipe 6 near the bottom of the housing 13 is provided with an emptying hole, and...

Embodiment 2

[0050] Such as figure 1 Shown, a kind of distillation kettle comprises shell 13, and housing 13 is provided with air inlet pipe 6, and one end of air inlet pipe 6 is inserted in the raw material liquid level of still kettle, and the bottom distance with housing 13 is 200mm, and the bottom distance of housing 13 is 200mm. The other end of the empty pipe 6 is located outside the casing 13 and a control valve 7 is arranged on the pipeline of the empty pipe 6 . Here, it is further explained that the other end of the air inlet pipe 6 is located outside the housing 13 , and the other end of the air inlet pipe 6 is fixedly connected with the top wall of the housing 13 , that is, welded on the housing 13 .

[0051] The number of air inlet pipes 6 is 4, and they are evenly and symmetrically distributed in the housing 13 with the central axis of the still still as the axis.

[0052] The end of the air inlet pipe 6 near the bottom of the housing 13 is provided with an emptying hole, and...

Embodiment 3

[0060] Such as figure 1 Shown, a kind of distillation still comprises housing 13, and housing 13 is provided with air inlet pipe 6, and one end of air inlet pipe 6 is inserted in the raw material liquid surface of still kettle, and the bottom distance with housing 13 is 100mm, enters The other end of the empty pipe 6 is located outside the casing 13 and a control valve 7 is arranged on the pipeline of the empty pipe 6 . It is further explained here that the other end of the air inlet pipe 6 is located outside the housing 13, and the other end of the air inlet pipe 6 extends outside the top wall of the housing 13, and is in a plug-in flexible connection with the top wall of the housing 13.

[0061] The number of the air inlet pipes 6 is three, and they are evenly and symmetrically distributed on the housing 13 with the central axis of the still still as the axis.

[0062]One end of the inlet pipe 6 near the bottom of the housing 13 is provided with an emptying hole, and the di...

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Abstract

The invention discloses a distillation kettle which comprises a shell, wherein an air inlet pipe is arranged in the shell, one end of the air inlet pipe is inserted into the raw material liquid surface of the distillation kettle, the other end of the air inlet pipe is located outside the shell and a control valve is arranged on a pipeline of the air inlet pipe. By arranging the air inlet pipe in the distillation kettle, the liquid in the distillation kettle is accelerated to boil under the air action; compared with the nitrogen introducing structure in the prior art, the distillation kettle structure can effectively lower the purification cost and shorten the distillation time. The invention also discloses an operation process of the distillation kettle. The operation process is simple in method; by introducing air to the liquid, the integral liquid boiling degree is improved, the evaporation of liquid impurities in the mixture is accelerated, the material loss is reduced and the purification purity of a target product is increased.

Description

technical field [0001] The invention relates to a chemical machinery, in particular to a distillation kettle and an operation process. Background technique [0002] The distillation still is a kind of distilling that utilizes the difference in the boiling points of the components in the mixed liquid or liquid-solid system, vaporizes the desired fraction by heating, and then collects it by condensation. And stills are widely used in the processing and purification process of various products such as coatings, pharmaceuticals, adhesives, etc., to purify raw materials and remove water and other impurities with lower boiling points than raw materials. [0003] Existing stills used for 2,5-dimethyl-2,5-bis(tert-butyl peroxide)hexane purification, wherein 2,5-dimethyl-2,5-bis(tert-butyl peroxide Butyl)hexane, also known as 2,5-dimethyl-2,5-bis(tert-butylperoxy)hexane, is mainly purified by introducing nitrogen into the structure, that is, nitrogen gas is set on the top wall of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D3/02B01D3/42C07C409/16
CPCB01D3/02B01D3/42C07C409/16
Inventor 孙沁屏林志成施立超
Owner 宜宾高县钧恒新材料有限公司
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